The Common Moorhen is a bird in the Rallidae family with an almost worldwide distribution. The North and South American Committees of the AOU and the IOC have voted on or before July 2011 to split the American forms into a new species Common Gallinule, however, no other committee has voted to change taxonomy yet. In that light, the American forms can now be found under a separate species listing Common Gallinule, however all forms can still be found here until further actions are taken. It.. more